diff --git a/build.gradle b/build.gradle
index 126a8de..3811940 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@ repositories {
 }
 
 dependencies {
-    compile group: 'com.github.javaparser', name:'javaparser-core', version: '3.2.3'
+    compile group: 'com.github.javaparser', name:'javaparser-core', version: '3.5.3'
     compile group: 'com.google.guava', name: 'guava', version: '11.0.2'
     testCompile group: 'junit', name: 'junit', version: '4.11'
 }
diff --git a/src/main/java/me/tomassetti/examples/ParsingForFirstTime.java b/src/main/java/me/tomassetti/examples/ParsingForFirstTime.java
index 8222679..0217575 100644
--- a/src/main/java/me/tomassetti/examples/ParsingForFirstTime.java
+++ b/src/main/java/me/tomassetti/examples/ParsingForFirstTime.java
@@ -17,7 +17,7 @@ public static void main(String[] args) {
         Expression expressionNode = JavaParser.parseExpression("1 + 2");
 
         // Parse a body declaration: it could be either a field or a method or an inner class
-        BodyDeclaration methodNode = JavaParser.parseClassBodyDeclaration(
+        BodyDeclaration methodNode = JavaParser.parseBodyDeclaration(
                 "boolean invert(boolean aFlag) { return !p; }");
 
         // Parse the code of an entire source file, a.k.a. a Compilation Unit
diff --git a/src/main/java/me/tomassetti/examples/StatementsLinesExample.java b/src/main/java/me/tomassetti/examples/StatementsLinesExample.java
index c972e7e..c58a392 100644
--- a/src/main/java/me/tomassetti/examples/StatementsLinesExample.java
+++ b/src/main/java/me/tomassetti/examples/StatementsLinesExample.java
@@ -18,16 +18,13 @@ public static void statementsByLine(File projectDir) {
             System.out.println(path);
             System.out.println(Strings.repeat("=", path.length()));
             try {
-                new NodeIterator(new NodeIterator.NodeHandler() {
-                    @Override
-                    public boolean handle(Node node) {
-                        if (node instanceof Statement) {
-                            System.out.println(" [Lines " + node.getBegin().get().line
-                                    + " - " + node.getEnd().get().line + " ] " + node);
-                            return false;
-                        } else {
-                            return true;
-                        }
+                new NodeIterator(node -> {
+                    if (node instanceof Statement) {
+                        System.out.println(" [Lines " + node.getBegin().get().line
+                                + " - " + node.getEnd().get().line + " ] " + node);
+                        return false;
+                    } else {
+                        return true;
                     }
                 }).explore(JavaParser.parse(file));
                 System.out.println(); // empty line